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双折射材料的温度修正 Birefringent Material Temperature Modification q/U(j&8W{ \J[m4tw^ 目前,FRED尚不支持“global”温度设置,温度敏感性评估一般用脚本编程来完成,该文档演示双折射材料的折射率随温度变化的问题。附件案例文件包括两个双折射材料模,“KDP”和 “KDP Baseline”, KDP Baseline材料存储在已知温度下的折射率,KDP材料用于储存在“current”温度下的折射率值,定义为与baseline material之间的温度差。一个嵌入的脚本名为“modifyBirefringentMaterialIndex” ,包含在FRED文件中,另外也单独附加。其实现过程如下: jGpSECs Oxs O 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline zaW y7@? K
;\~otR^ 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline yO*~)ALb+ WLl_;BgN 3.Loop over the baseline material samples and determine the number of wavelength entries FsQeyh> .j?`U[V%a 4.Loop over each sampled wavelength entry in the baseline material u3 k% /jl{~R#1 a.Modify the ordinary and extraordinary refractive index values using (2) above t80s(e JPQWRK^ b.Apply the modified values to the non-baseline material >qj.!npQD wK OljE6d 5.Set a description on the non-baseline material indicating the temperature change from baseline VP0q?lh `roos<F1D 脚本编程及GUI例程请下载链接: Zjqa n +UbSqp1BS http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs -]""Jl^ sd4eJ http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd HJ#3wk "W <vMna< /d <xM$^r) QQ:2987619807 tLCu7%P>
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